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Finding the Fourth Proportional to 11,636.46, 17,454.78 and 4,241.16

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Solution

The fourth proportional to 11,636.46, 17,454.78 and 4,241.16 is: 6,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,636.46 : 17,454.78 = 4,241.16 : x
  2. Step 2: Convert to fraction form
    11,636.46/17,454.78 = 4,241.16/x
  3. Step 3: Cross multiply
    11,636.46x = 17,454.78 × 4,241.16
  4. Step 4: Simplify right side
    11,636.46x = 74,028,514.74
  5. Step 5: Solve for x
    x = 74,028,514.74/11,636.46
  6. Step 6: Final answer
    x = 6,361.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.